Bottom types

Dataset

The dataset consists of over 62 000 data points, obtained during hydrographic surveys in fjords and coastal areas of Norway from Barents Sea in north to Oslofjord in south. Data points provide an indication of which type of sediment can be expected on the bottom (for example, whether it is coarse grained or fine grained). The distribution of seabed sediments is closely related to the physical conditions and tells about the submarine landscape, currents, waves and sedimentary processes.

Specific usage

The bottom type is of great importance in many aspects. The distribution of sediments on the bottom is closely linked to the physical conditions and tells about the submarine landscape, bottom currents, wave-wash and sedimentary processes. The level of detail in the data set indicates use within the map scale: 1: 5,000 to 1: 50,000

Distributions

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Contact information

Logo Norges geologiske undersøkelse

Contact metadata:
janne.wesche@ngu.no – Geological Survey of Norway

Contact owner:
Reidulv Bøe, reidulv.boe@ngu.no – Geological Survey of Norway

Contact publisher:
Aave Lepland, aave.lepland@ngu.no – Geological Survey of Norway

Distribution

Spatial representation: Vector

Format:
  • FGDB 10.2
  • Shape 10.2
  • SOSI 4.5

Distribution type: External download site

Reference systems:
  • EUREF89 UTM sone 32, 2d
  • EUREF89 UTM sone 33, 2d
  • EUREF89 UTM sone 35, 2d
  • WGS84 UTM sone 32, 2d
  • WGS84 UTM sone 33, 2d
  • WGS84 UTM Zone 35, 2d
  • WGS84 Geografisk

Constraints

Use limitations: Detaljnivået på datasettet tilsier bruk innenfor kartmålestokken: 1:5 000 - 1:50 000.

Access constraints: Open data

Use constraints: License

Licence: Norsk lisens for offentlige data (NLOD)

Help

Sediment samples are obtained during hydrographic surveys in fjords and costal areas of Norway over many years. There might occur some uncertainties in Geographic accuracy of sampling locations and geological information.